Re: [HEADS UP] Ceph-14.x.x, dropping 32-bit archs

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On Wed, Dec 05, 2018 at 08:45:19AM -0500, Kaleb S. KEITHLEY wrote:
> On 12/5/18 8:34 AM, Dan Horák wrote:
> > On Wed, 5 Dec 2018 14:23:49 +0100
> > Marcin Juszkiewicz <mjuszkiewicz@xxxxxxxxxx> wrote:
> > 
> >> W dniu 05.12.2018 o 14:14, Kaleb S. KEITHLEY pisze:
> >>
> >>> Ceph 14.x.x (Nautilus) will no longer be built on i686 and armv7hl
> >>> archs starting in fedora-30/rawhide.
> >>
> >>> The upstream project doesn't support it. The armv7hl builders don't
> >>> have enough memory (or address space) to build some components.

Is there any consideration given to only building the ceph client
pieces on 32-bit ?  Presumably those parts are simpler and thus
not likely to hit the address/memory limits, and be more tractable
for supporting ?

I very much doubt people would run ceph server parts on 32-bit,
so any usage of ceph on 32-bit is likely to be limited to the
client pieces

> >> BTW - how much memory is needed to build Ceph 14?
> 
> More — apparently — than the armv7hl builders have. :-) branto may know.
> 
> > have you tried building with reduced debuginfo, eg. -g1 or even -g0?
> 
> branto told me that he has tried all the different optimization levels.
> 
> > I wonder how much broken deps it will cause.
> 
> Don't know. Hence this heads up warning.

repoquery can report on direct dependancies that would be broken by
any ceph packages being removed. There could be transitive ripples
out from there.  From my own POV this would impact qemu  & libvirt,
which would need to conditionally turn off their rbd support for
those archs.

Regards,
Daniel
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